*{
    padding: 0;
    margin: 0;
}
.home{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.home-nav{
    width: 100%;
    height: 300px;
    border-bottom: 1px solid #f2f2f2;
}
.home-main{
    flex: 1;
}
.demo-swiper .rv-swiper img{
        width: 100%;
        height: 100%;
}
.home-main-item{
    width: 100%;
    height: 120px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}